{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection measures in blockchain technology for digital identity verification?","a":"Data immutability: Once identity information is stored on the blockchain, it cannot be  tampered with or misused, ensuring the security and reliability of identity information."}]}],"pr":"2569c1d6997c03c1b6c36ffe765c5aaf4af7b80a3f407c282986165ad26702f2"}